Educational content

Definition

The trihedra of aerodynamics and flight mechanics.

Aerodynamic coefficients

Standard atmosphere. Anemometry.

Reminders in aerodynamics

Incompressible polar equation.

Influence of compressibility: transonic, supersonic.

Basic principles : balance of forces and moments

Control surfaces, primary and secondary flight controls, hinge moments. Balanced polar equation.

Performance: basic concepts

Level flight: thrust required for flight.

Climb / Descent : propulsion ceiling.

Turns and manoeuvres : lift ceiling.

Handling qualities

Flight balance: static stability and handling. Concept of aerodynamic centre and manoeuvring point.

Longitudinal and lateral modes (phugoid, incidence oscillation, Dutch roll, spiral mode) (basic concepts).

Operational aspects: limits and flight

Take-off.

Landing.

Cruising.

Aspects discussed : limitations (weight, balance), engine failure.

Operational envelope.

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